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- A3 4G vs A40
OPPO A3 4G vs OPPO A40
What A3 4G does better (3) and where A40 wins (1) — every spec side by side.
Dimensions
Size comparison
A3 4GA40
| A3 4G | A40 | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 165.7 mm | +0.1 mm |
| Width | 76.1 mm | 76 mm | +0.1 mm |
| Thickness | 7.7 mm | 7.6 mm | +0.1 mm |
| Weight | 186 g | 186 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is A3 4G better than A40?
- Storage (max)256 GB vs 128 GB2×
- Dual SIMYes · A40: No
- 3.5 mm headphone jackYes · A40: No
Why is A40 better than A3 4G?
- Screen-to-body ratio85% vs 89.9%+6%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 186 g |
| Thickness | 7.7 mm | 7.6 mm |
| Height | 165.8 mm | 165.7 mm |
| Width | 76.1 mm | 76 mm |
| Ingress protection | IP54 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Glass protection | Panda glass | Panda Glass |
| Colours | Sparkle Black, Starry Purple, Starlight White | — |
| Display | ||
| Screen size | 6.7″ | 6.7″ |
| Panel | IPS LCD | LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,604 px | 1,604 px |
| Pixel density | 264 ppi | 264 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 1,000 nits | 1,000 nits |
| Screen-to-body ratio | 85% | 89.9% |
| Performance | ||
| Chipset | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 | Qualcomm Snapdragon 6s Gen 1 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 11 nm | — |
| CPU cores | 8 | 8 |
| CPU frequency | 2.1 GHz | — |
| GPU | Adreno 610 | Adreno 610 |
| Memory | ||
| RAM | 8 GB | — |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | — |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,100 mAh | 5,100 mAh |
| Wired charging | 45 W | 45 W |
| Charged in 30 min | 50% | 50% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | No |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | — |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | proximity, accelerometer, gyro, light, compass, fingerprint |
| Software | ||
| OS at launch | Android 14 | Android 14 |
| Platform | Android | Android |
| Interface | ColorOS 16 | ColorOS 14 |
| EU label | ||
| Energy class | — | B |



